…Now, throughout this course, we took a look…at a couple of strategies and techniques for…taking PNG-32 and PNG-24 files with varying transparency…and converting those to PNG-8 files with varying transparency.…In this example here, we can see we went from…a 31 kilobyte file down to a 9.46 kilobyte file.…That is a significant file size savings for a graphic that's going to…look pretty comparable on all the different devices that we tested this on.…Now, one of the things that we do in…our studio is we create web applications for conferences.…This is a case where we have a whole bunch…of people at a conference that are sharing wireless connections.…

This means that all of our graphics have to be as small as possible…to deliver a good user experience, but…we can't sacrifice the integrity of the design.…So, we use these same techniques in our studio…to get our graphics to be as small as possible.…

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4/1/2014

PNG-24 files provide great quality with the added benefit of 8-bit transparency; however, this particular file format can be rather large. And larger files sizes mean longer loading times for your users. The good news is you can create varying transparent PNG-8 files—files that are between 60% and 80% smaller than PNG-24 files—with a new crop of Windows, Mac, and web-based tools. Chris Converse shows you how in this short, insightful course on creating compressed PNGs that display beautifully on a variety of websites, especially those targeting mobile devices.